computer institute in saharsa

Mouse Q :- What is Mouse ? Ans:- It is an input pointing device with the help of mouse we can create different types of picture / logo/ all types of drawing  and we can drag & drop all types of files and folder on the desktop. Types of Mouse There are four types of Mouse 1.       Simple / Normal Mouse 2.       Scroll Mouse 3.       Optical Mouse Wireless Mouse

Keyboard Q :- What is Keyboard ? Ans:- It is an input device with the help of  keyboard we can type the matter but the key of keyboard is divided into 4 th zone . 1 st Zone :- Alphabetical Key Example:- A  to  Z 2 nd Zone :- Number Key Example :- 0 to 9 3 rd Zone :- Functional Key Example:- F1 to F12 4 th Zone:- Special Key Example :- Alt, Ctrl, Shift, Del, Esc , Enter , E.t.c The keys on the keyboard are as follows: Types of Keyboard There are two types of keyboard 1.       Simple Keyboard Multimedia Keyboard  -  It is also a normal keyboard but it has some special key for internet and multimedia.

Computer Q: - What is Computer Ans:- Computer is an electronic machine . It performs arithmetical and logical calculation. It has data storage capacity more than for future use. C -> Common O -> Operating M -> Machine P -> Particular U -> Used for T -> Trade E -> Education R -> Research Computer is divided into two parts Computer                                     Hardware                                              Software Hardware:- All types of physical component attached with computer is called hardware.             Example :- I.P.O Device I – Input   Device Example:- Keyboard, mouse, scanner, e.t.c P – Processing Device Example :- C.P.U (Central Processing Unit) O – Out Put Device Example :- Monitor, Printer, Speaker, e.t.c